Search our library of GCSE questions

Top answers

All subjects

GCSE

What is an enzyme? and why are they so important for reactions to take place?

An enzyme is a type of protein which we call a biological catalyst. In biology, a catalyst is a chemical which helps speed up reactions without being used up itself. Therefore, if you add 2ml of an enzyme...

Answered by Laura P. • Biology tutor

3453 Views

There are some people in a cinema. 3/5 of the people in the cinema are children. For the children in the cinema, number of girls:number of boys = 2:7. There are 170 girls in the cinema. Work out the number of adults in the cinema.

We can begin by working out the total number of children in the cinema. We know that for every 2 girls, there are 7 boys, which is the same as saying for every 1 girl, there are 3.5 boys. Three and a half...

Answered by Tayla B. • Maths tutor

24391 Views

How do feminists view inequality

Break it down into different strands to show nuance:
liberal - Sharpe, WilkinsonRadical - Greer, FirestoneMarxist - Ansley, BenstonPost modern - Staceyetc.

Answered by Jack L. • Sociology tutor

1715 Views

Anna and James share out £40 in the ratio 5:3 in that order. How much do they each get?

1st Find the total number of parts they will be splitting the £50 into. If Anna is getting 5 parts and James is getting 3 how many parts in total? 5 + 3 = 8 2nd Work out how much each part is worth. To do...

Answered by Rebecca K. • Maths tutor

13320 Views

How should I go about planning my essays during the exam?

Depending on the amount of time that you have to write your essay, I would recommend spending anywhere between 5 and 10 minutes on planning. It may seem like a substantial amount, but I assure you that a ...

Answered by Rianna H. • English tutor

2266 Views